ZR255

V
ZR255 Rotary Drilling Rig
The rear main winch with single-layer-rope Main Specification Unit Value Note
drum and two gear box mechanism, which
Drilling
extends service life of the steel wire rope
Max.drilling diameter 2000
significantly.
Max.drilling depth 70/56 friction/inter-lock
High construction efficiency thanks to big
Rotary drive
flow main pump, multi-gear rotary drive, and
Max. output torque 260
two-speed crowd cylinder.
Rotary speed range 6~ 26
More stable structure and stronger bearing Crowd system
capacity thanks to the 5th generation rotary
Crowd method Cylinder
drive, large supporting angle of the mast
cylinder, lower center of gravity, and Crowd force push 220
reinforced chassis. Crowd force pull 230
Max. stroke crowd 5300
One key for folding cathead, fixed mast
Main winch
support. Equipment can be transferred easily
and quickly. Max. line pull 240
Max. speed of line 70
Version 2.0 power matching and limit load
Diameter of wire rope 32
control technology, working efficiency
increased by 10%. Aux. winch
Max. line pull 90
New generation cab with better vision, more
Max. speed of line 80
comfortable operation, new electrical control
Diameter of wire rope 22
panel. 360 degree full view monitoring.
Inclination angle of mast
Options: Crowd winch model ZR255D, Forward/backward 5/90
spin-off, auto-lubrication.
Left/right ±4.5
Engine
Model QSL9
Rate power of engine 242
Emission standard Stage III
Displacement of engine 8.9
Undercarriage
Distance of tracks 3260~4400 min.~max.
Width of track shoe 800
Slewing radius 4473
Overall main machine
Operation weight 80
Max. traction force 423
Max. travelling speed 2.26
Overall height 23.2

Kelly bar Types Drilling depth (m) Notes

Friction Φ440 - 5x15.5m 70
Inter-locking Φ440- 4x15.5m 56 standard
Friction Φ440 - 5x13.5m 60
Inter-locking Φ440- 4x13.5m 48

Add: Zoomlion Industrial Binfen Road,Songjiang Distrct,Shanghai,China.

*Note: Specifications are subject to change without prior notice in accordance with our continuous technical innovations.(V21-11) EN.ZOOMLION.COM